Skip to content
sellNotable cluster of 5

Chris Diorio Ph.d. sold $823k of PI

CHIEF EXECUTIVE OFFICER at IMPINJ INC. 8,334 shares at an average of $98.78, traded Feb 21, 2025, filed Feb 24, 2025.

Warning score
63
Value
$823k
8,334 shares
Holdings after
354,076
-2% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    CEO
    +25
  • Trade size
    $823k at market
    +23
  • Share of holdings sold
    Sold 2.3% of holdings
    0
  • Cluster
    5 insiders selling within 14 days
    +15

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

PIOct 9, 2026 · close 189.63
Since filing Feb 24, 2025: +100.4%SPY +32.9% · excess +67.5%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001415889-25-005261, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Feb 20, 2025AGrant or award
Common Stock
+20,750$0.00$0362,410Feb 24, 2025
Feb 21, 2025SOpen-market sale
Common Stock
-3,031$97.74$296k359,379Feb 24, 2025
Feb 21, 2025SOpen-market sale
Common Stock
-1,348$98.38$133k358,031Feb 24, 2025
Feb 21, 2025SOpen-market sale
Common Stock
-3,875$99.70$386k354,156Feb 24, 2025
Feb 21, 2025SOpen-market sale
Common Stock
-80$100.25$8,020354,076Feb 24, 2025

Related signals

Other insiders at IMPINJ INC and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
35Weak
PIsell 210b5-1
IMPINJ INC
Cary Baker
CHIEF FINANCIAL OFFICER
$1.6M
8,892 shares
-10%
39Weak
PIsell 2
IMPINJ INC
Miron Washington
director
$139k
800 shares
-16%
48Moderate
PIsell 5
IMPINJ INC
Cary Baker
CHIEF FINANCIAL OFFICER
$153k
1,553 shares
-2%
43Moderate
PIsell 5
IMPINJ INC
Jeffrey Dossett
CHIEF REVENUE OFFICER
$263k
2,666 shares
-4%
50Moderate
PIsell 5
IMPINJ INC
Hussein Mecklai
CHIEF OPERATING OFFICER
$369k
3,739 shares
-5%
22Weak
PIsell 5
IMPINJ INC
Cathal G Phelan
CHIEF INNOVATION OFFICER
$56k
565 shares
-7%
28Weak
PIsell 4
IMPINJ INC
Cary Baker
CHIEF FINANCIAL OFFICER
$41k
290 shares
-0%
35Weak
PIsell 4
IMPINJ INC
Chris Diorio Ph.d.
CHIEF EXECUTIVE OFFICER
$119k
841 shares
-0%
22Weak
PIsell 4
IMPINJ INC
Jeffrey Dossett
CHIEF REVENUE OFFICER
$53k
378 shares
-1%
27Weak
PIsell 4
IMPINJ INC
Hussein Mecklai
CHIEF OPERATING OFFICER
$48k
338 shares
-1%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Chris Diorio Ph.d. sold $823k of PI | InsiderTell